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Work in Progress Part A - Archive Page

At SP Energy Networks, you can find more about the work in progress for Part A, the Coylton substation to New Cumnock substation and associated overhead line.

Following consent being granted for Part A in December 2012, work started to extend the existing substation outside Coylton. This will house the electrical equipment required to connect the new 400kV overhead line. The existing substation covers approximately 2 hectares and will be extended by 0.5 hectare.

Construction of the towers for the new overhead line (shown in red on the map) is currently underway and will continue into 2015. The new overhead line leaves Coylton Substation and travels in a southerly direction for approximately 14 km where it will connect to the new substation at Meikle Hill called New Cumnock Substation.

The overhead line will be supported by approximately 46 steel towers. Initially it will operate at a voltage of 275kV but has been designed and built to accommodate a future operating voltage of 400kV.

The new 275kV substation called New Cumnock is located approximately 3km north-east of Dalmellington. It will act as a site to collect electricity from the proposed wind farms and transform it into a suitable voltage to transmit along the new overhead line and into the existing electricity network at Coylton Substation.

There will be increased activity in the area while works continue on extending Coylton substation, erection of the new overhead line and construction of the new substation are carried out.

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